Table of Contents

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  1. Preface
  2. RulePoint
  3. RulePoint Concepts
  4. Using RulePoint
  5. RulePoint Objects
  6. Working with Topics
  7. Working with Connections
  8. Working with Sources
  9. Working with Responders
  10. Working with Responses
  11. Working with Watchlists
  12. Working with Analytics
  13. DRQL
  14. Working with Rules
  15. Working with Alerts
  16. Setting Access Controls
  17. Troubleshooting RulePoint Issues
  18. Connecting to an Ultra Messaging Application
  19. Creating an Ultra Messaging JMS Source

User Guide

User Guide

WHEN Clause

WHEN Clause

Use the WHEN clause to specify the topics and the number of events required for each topic.
For example, the following clause looks for one stock event:
WHEN 1 stock
The following clause looks for five stock events
s
and one news event
n
:
WHEN 5 stock s, 1 news n
While creating a rule, if you do not specify the number for the topic in the WHEN clause , you receive an alert to specify the number of topics. If you proceed without specifying a number, the rule will look for all events for the specified topic.

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